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  • Our Fall Clearance Sale is on - Until Supplies Last!

    Embrace positivity with every fiber
    Atomic-inspired style meets cotton comfort.

    Think Like A Proton Stay Positive T-Shirt

    Purchases at Mounteen contribute to tree planting efforts managed by One Tree Planted. Learn more
    Think Like A Proton Stay Positive T-Shirt. Buy online. Free shipping
    Think Like A Proton Stay Positive T-Shirt. Buy online. Free shipping
    Think Like A Proton Stay Positive T-Shirt. Buy online. Free shipping
    Think Like A Proton Stay Positive T-Shirt. Buy online. Free shipping

    Think Like A Proton Stay Positive T-Shirt

    Purchases at Mounteen contribute to tree planting efforts managed by One Tree Planted. Learn more

    Clearance
    -23% Sale price $22.99 List Price: List Price: $29.99

    This is the standard price set by Mounteen or the manufacturer's suggested retail price (MSRP). List price may not necessarily reflect the prevailing market price. List Price is only shown if a product was offered at or above the List Price in the past 90 days.

    Read more

    This is the standard price set by Mounteen or the manufacturer's suggested retail price (MSRP). List price may not necessarily reflect the prevailing market price. List Price is only shown if a product was offered at or above the List Price in the past 90 days.

    Read more
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    Earn 114 Summit Points
    What's this?

    Earn Summit Points with every purchase! Redeem for coupons and free products. The points shown are an estimate and may vary if discounts are applied. Open Loyalty Panel

    You need to sign in to your account to earn points. Don't have an account yet? Sign up here

     FREE shipping by Sun, Dec 1 — Wed, Dec 11
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    Details

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     Only 7 left
    • Clever science-themed wordplay
    • Comfortable cotton material
    • Available in multiple colors
    Return policy: Eligible for Return, Refund or Replacement

    Item(s) must be in new condition, not missing parts, tags, or instructions. Items must be postmarked within 60 days of their receipt by you

    Read full return policy
    Return policy: Eligible for Return, Refund or Replacement

    Item(s) must be in new condition, not missing parts, tags, or instructions. Items must be postmarked within 60 days of their receipt by you

    Read full return policy
    Payment: Secure transaction

    We work to keep your privacy and data secure. Your info is encrypted when you pay. We don't share your credit card info with third-parties, and we don't sell your data. Learn more

    Payment methods
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    • American Express
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    • Diners Club
    • Discover
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    • Visa

    Product Description

    Stay charged and upbeat with the "Think Like a Proton, Stay Positive" T-shirt. Perfect for science enthusiasts and anyone who believes in the power of positivity, this tee combines clever wordplay with a dash of atomic style.

    Material - Cotton
    Available in Black, Navy, Red, and Blue.

    Wear this tee and let your positive vibes radiate—because like a proton, you’re always staying positive.

    Shipping & Returns

    • Shipping. Average delivery time is 7-17 days depending on destination. Shipping Policy

    • Returns. Accepted in new and unused condition – no questions asked. Return Policy

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